Metal electrode used in electric-arc deposition of metals.



E. H. JONES. METAL ELECTRODE USED IN ELECTRIC ARC DEPOSITION 0F METALS.

APPLICATION FILED SEPT. 29. 1917- 1,265,453. Patented May 7,1918.

ERNEST HENRY JONES, OF CANONBURY, LONDON, ENGLAND.

METAL ELECTRODE USED IN Specification of Letters Patent.

ELECTRIC-ARC DEPOSITION OF METALS.

Patented May a, 1918.

Application filed September 29, 1917. Serial No. 193,944.

To all whom it may concern:

Be it known that I, ERNEST HENRY JONES, subject of the King of Great Britain, residing at Grange road, Canonbur'y, London, N., England, engineer, have invented new and useful Improvements in Metal Electrodes Used in Electric-arc Deposition of Metals, of which the following is a specification.

This invention has for its object an improved method of forming or making metal electrodes used in electric arc soldering and deposition of metals. v

According to this invention, as applied for depositing high speed steel the electrode is constructed of a mild steel or cast iron channel section case or cases in which .or in one of which is secured a cast iron or carbon rod or other suitable carbon content such as charcoal or ferrochrome, while the compounded materials to form the high speed alloy is placed in the case or cases preferably (but not necessarily) in the form of a paste which may he extruded and allowed to set previous to placing same in the case.

The high speed alloy comprises any suitable proportion for example of vanadlum, cobalt, tungsten, molybdenum, chromium, with or without aluminium, which may be mixed with a suitable binding agent such as silicate of soda.

The improved method of forming or making metal electrodes enables the same to be rapidly and easily built up of the desired metals or alloys and with the proper constituents desired to insure the correct mixture in the fused metal. Any suitable channel section may be used for the cases.

It will he understood that the electrode is inclosed in a suitable fusible covering (for example, a winding of asbestos yarn which has been previously passed through a bath composed of silicate of soda, or other suitable adhesive, and the metals used in the making of said and powdered aluminium) electrode are selected according to the nature of the mixture desired.

Figure 1 illustrates an electrode constructed according to the invention, with a single channel case, a portion of the fusible covering being shown unwound.

Figs. 2, 3 and 4 illustrate examples where two channel cases are employed.

arepresents a suitable channel section case, 6 represents for example, a cast iron rod, 0 indicates the added mixture which has previously been extruded and allowed to set which mixture gives to the fused metal the desired character, and d shows the fusible covering.

Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is 1. A metal electrode for use in electric arc soldering and electrically depositing metals, comprising a channel section metal case in which is contained all the necessary and proper constituents to insure the required mixture in the fused metal, and a suitable fusible covering, substantially as set forth.

2. A metal electrode, according to claim 1, in which a multiple number of channel section metal cases each with its desired proportion of constituents are inclosed in a suitable fusible covering, substantially as set forth.

3. A metal electrode according to claim 1, for depositing high speed steel, comprising a mild steel channel section case, a cast iron rod secured in the case, a'suitable pro- 

